BMW S 1000 RR 2020 vs. BMW HP4 RACE 2017

The BMW S 1000 RR 2020 and the BMW HP4 RACE 2017 are both high-performance supersport motorcycles from BMW. While they share many similarities in terms of their technical specifications, there are also some notable differences between the two models.

In terms of the engine and drivetrain, both motorcycles feature an inline four-cylinder engine with a displacement of 999cc. They have the same bore and stroke measurements of 80mm and 49.7mm, respectively. However, the BMW HP4 RACE has a slightly higher engine power of 215 HP compared to the 207 HP of the BMW S 1000 RR. The HP4 RACE also has a higher torque output of 120 Nm compared to the 113 Nm of the S 1000 RR. Both motorcycles have a compression ratio of around 13, which contributes to their high-performance capabilities.

In terms of suspension, both motorcycles feature an upside-down telescopic fork at the front and a swing arm with a monoshock at the rear. The suspension on both models is adjustable for compression, preload, and rebound. However, the HP4 RACE has a carbon frame, which is lighter and stiffer than the aluminum frame found on the S 1000 RR. The HP4 RACE also has a slightly steeper rake angle of 65.5 degrees compared to the 66.9 degrees of the S 1000 RR. The trail measurement is also slightly different, with the HP4 RACE having a trail of 102.5mm compared to the 93.9mm of the S 1000 RR.

BMW S 1000 RR 2020

In terms of braking, both motorcycles feature double disk brakes at the front with a diameter of 320mm. The brakes on both models are hydraulic and use radial technology. However, the HP4 RACE also features monoblock brakes, which provide even greater braking performance.

Both motorcycles come equipped with advanced rider assistance systems such as ABS, riding modes, launch control, ride-by-wire, quickshifter, and traction control. The HP4 RACE also has the additional feature of anti-wheelie control.

In terms of dimensions and weights, both motorcycles have a front tire width of 120mm and a front tire diameter of 17 inches. The HP4 RACE has a slightly wider rear tire width of 200mm compared to the 190mm of the S 1000 RR. Both motorcycles have a rear tire diameter of 17 inches. The wheelbase is almost identical, with the S 1000 RR measuring 1441mm and the HP4 RACE measuring 1440mm. The seat height of the HP4 RACE is slightly lower at 816mm compared to the 824mm of the S 1000 RR. The HP4 RACE is also lighter, with a curb weight of 171.4kg compared to the 197kg of the S 1000 RR. Both motorcycles have a fuel tank capacity of around 16-17.5 liters.

BMW HP4 RACE 2017

In terms of strengths, the BMW S 1000 RR 2020 is praised for its very linear power delivery, wide rev range, and excellent DDC (Dynamic Damping Control) suspension. It is also highly regarded for its electronics package and overall performance on both the road and racetrack. On the other hand, the BMW HP4 RACE 2017 is praised for its perfect engine performance, fantastic braking performance, low weight, and the availability of various tuning options for the chassis.

In terms of weaknesses, the BMW S 1000 RR 2020 is criticized for lacking a distinct character compared to other competitors and lagging behind on the spec sheet in direct comparison. The BMW HP4 RACE 2017 has higher service costs compared to conventional motorcycles and may provide too much feedback to less experienced riders. It also requires careful handling of its sharp braking system to avoid damage.

Overall, both the BMW S 1000 RR 2020 and the BMW HP4 RACE 2017 are highly capable supersport motorcycles with their own unique strengths and weaknesses. The S 1000 RR offers a more balanced and versatile performance, while the HP4 RACE is a more focused and track-oriented machine.